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Round|Natural|GIA

1.51ct J SI1 Round Natural Diamond

VG • J/SI1 • GIA 6541690790

Certificate GIA 6541690790

Diamond specifications and retailer prices

From $6,029 NZD
HK$26,500 HKD
As of November 1, 2026
Save $8,334 NZD (58%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $14,362 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 6541690790. Listed at 21 retailers as of October 30, 2026, with prices from $6,029 to $14,362, a $8,334 spread on the same certified stone. NZ Jewellers lists it at $14,362. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 6541690790
Dimensions7.10 × 7.17 × 4.56 mm
L/W Ratio1.01
Top View
7.10 mm7.17 mm1.51 ctJ / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6541690790
Side View
Table 59.0%Crown 38°Girdle: MED-THKPavilion 40.2°Culet: NoneDepth 63.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $14,362 NZD|Low: $5,983 NZD|High: $14,362 NZD|Avg: $8,989 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 16$6,029 NZD
Retailer 14$6,965 NZD
Retailer 3$7,610 NZD
Retailer 5$7,610 NZD
Retailer 10$7,725 NZD
Retailer 11$8,140 NZD
Retailer 4$8,245 NZD
Retailer 9$8,245 NZD
Retailer 8$8,260 NZD
Retailer 6$8,311 NZD
Retailer 17$9,209 NZD
Retailer 12$9,290 NZD
Retailer 7$9,512 NZD
Retailer 2$9,847 NZD
Retailer 15$10,134 NZD
Retailer 13$13,130 NZD
NZ Jewellers$14,362 NZD

35 data points across 17 retailers

21 retailers$6,029 NZD to $14,362 NZD

A
Cheapest Retailer
-
$6,029 NZD
HK$26,500 HKD
B+
Retailer 2
-
$6,965 NZD
$3,919 USD
View
B+
Retailer 3
-
$7,189 NZD
$4,045 USD
View
B+
Retailer 4
-
$7,610 NZD
SGD 5,786 SGD
View
B+
Retailer 5
-
$7,610 NZD
$4,282 USD
View
Final sale: no returns
B+
Retailer 6
-
$7,677 NZD
SGD 5,837 SGD
View
B+
Retailer 7
-
$7,725 NZD
£3,422 GBP
View
B+
Retailer 8
-
$8,140 NZD
$4,580 USD
View
B+
Retailer 9
-
$8,245 NZD
$4,639 USD
View
Retailer 10
-
$8,245 NZD
$4,639 USD
View
Price last confirmed 33 days ago
B+
Retailer 11
-
$8,260 NZD
$4,648 USD
View
Retailer 12
-
$8,311 NZD
A$7,194 AUD
View
Price last confirmed 23 days ago
B
Retailer 13
-
$8,691 NZD
$4,890 USD
View
B
Retailer 14
-
$9,209 NZD
£4,080 GBP
View
B
Retailer 15
-
$9,290 NZD
€4,978 EUR
View
B
Retailer 16
-
$9,512 NZD
$5,352 USD
View
B
Retailer 17
-
$9,847 NZD
£4,362 GBP
View
B
Retailer 18
-
$10,134 NZD
ZAR 92,112 ZAR
View
B
Retailer 19
-
$11,716 NZD
$6,592 USD
View
B
Retailer 20
-
$13,130 NZD
£5,817 GBP
View
Most Expensive
C
NZ Jewellers
7976b29a-0d7a-47bb-ae9c-a3187b2253b9 · Oct 30
$14,362 NZD
$8,081 USD
View
20 more retailers have this diamond
Prices start from $6,029 NZDSave up to $8,334 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.51ct Round
$6,029 NZD